The 1990's have been far tougher, as regulation and skepticism about the industry's future in the face of rival technologies hurt cable stocks.

But corporate bickering over rival technologies ultimately led it to endorse three different versions.

I don't need-" "Biliybob has his own special way of disabling rival technologies.

But Blockbuster is clearly aware that rival technologies represent a threat to its rental business.

But they have said that before, and there is always new competition or a rival technology that comes in and requires the industry to upgrade.

In Intel's case, the Government simply wants the court to order the company not to withhold its technical information from customers who are also developing rival technologies.

Bell Atlantic was the only holdout, having made a bet on a rival subscriber-line technology.

Will enough people be firmly in the habit of buying and renting the disks before rival technologies arrive with their own ways of ordering movies?

In the case of Panasonic, the answer is a company that has significant investments in a rival technology.

The upshot is a political tug-of-war with three rival technologies.